class_docstr: Test class for AthenaClient
docstr: Athena - Drop All Tables, Failure
docstr_tok: ["Athena","-","Drop","All","Tables",",","Failure"]
code: def test_drop_all_tables_failure(self, drop_table_mock):
      """Athena - Drop All Tables, Failure"""
      self.client._client.results = [
          {"Data": [{"VarCharValue": "table_01"}]},
          {"Data": [{"VarCharValue": "table_02"}]},
          {"Data": [{"VarCharValue": "table_03"}]},
      ]
      drop_table_mock.side_effect = [True, True, False]
      assert_false(self.client.drop_all_tables())
  
imports: from datetime import datetime
  import os
  from mock import Mock, patch
  from nose.tools import assert_equal, assert_false, assert_count_equal, assert_raises, assert_true, raises
  from streamalert.shared.athena import AthenaClient, AthenaQueryExecutionError
  from streamalert.shared.config import load_config
  from tests.unit.helpers.aws_mocks import MockAthenaClient
label_desc: Use image node_id 13 for calling the TestAthenaClient obj's underlying member method code with example usage: obj.test_drop_all_tables_failure(drop_table_mock) without return types